| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] when it | 847 |
|
| 2 | [coord] when it | 847 |
|
| 3 | and when it | 468 |
|
| 4 | but when it | 342 |
|
| 5 | or when it | 34 |
|
